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A model for allocation of sewage treatment systems to the Naval Fleet

by: Brill, Edward A.

Publication date: 1972-07

Topics: STORMS., METEOROLOGY--RESEARCH., DYNAMIC METEOROLOGY.

Publisher: Monterey, California : Naval Postgraduate School

Collection: navalpostgraduateschoollibrary; fedlink; americana

Contributor: Naval Postgraduate School, Dudley Knox Library

Language: en_US

Title from cover

"July 1972"--Cover

"NPS-55ZG72071A"--Cover

DTIC Descriptors: Statistical processes, renovating, sewage treatment, shipboard sewage treatment systems

Author(s) subject terms: Sewage system, repipe, disounted cost, deterioration process, deterministic, semi-Markov

Includes bibliographical references (p. 19)

Technical report; 1972

The paper discusses the problem of planning the allocation of sewage treatment systems to the Naval Fleet. It is assumed that the obsolescence or deterioration process of a ship is a semi-Markov process. For the special case of deterministic deterioration, the total discounted cost of revamping a group of ships is determined as a function of the time horizon chosen to do so. This function is graphed for a set of representative cost factors. Finally, the semi-Markov and Markov models are discussed with a view towards a future simulation study